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-rw-r--r--xkbcomp/vmod.c225
1 files changed, 225 insertions, 0 deletions
diff --git a/xkbcomp/vmod.c b/xkbcomp/vmod.c
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--- /dev/null
+++ b/xkbcomp/vmod.c
@@ -0,0 +1,225 @@
+/* $Xorg: vmod.c,v 1.3 2000/08/17 19:54:33 cpqbld Exp $ */
+/************************************************************
+ Copyright (c) 1994 by Silicon Graphics Computer Systems, Inc.
+
+ Permission to use, copy, modify, and distribute this
+ software and its documentation for any purpose and without
+ fee is hereby granted, provided that the above copyright
+ notice appear in all copies and that both that copyright
+ notice and this permission notice appear in supporting
+ documentation, and that the name of Silicon Graphics not be
+ used in advertising or publicity pertaining to distribution
+ of the software without specific prior written permission.
+ Silicon Graphics makes no representation about the suitability
+ of this software for any purpose. It is provided "as is"
+ without any express or implied warranty.
+
+ SILICON GRAPHICS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
+ SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
+ GRAPHICS BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL
+ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH
+ THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
+ ********************************************************/
+/* $XFree86: xc/programs/xkbcomp/vmod.c,v 3.3 2001/01/17 23:45:45 dawes Exp $ */
+
+#define DEBUG_VAR_NOT_LOCAL
+#define DEBUG_VAR debugFlags
+#include <stdio.h>
+#include "xkbcomp.h"
+#include "tokens.h"
+#include "expr.h"
+#include "misc.h"
+
+#include <X11/extensions/XKB.h>
+#include <X11/extensions/XKBstr.h>
+
+#include "vmod.h"
+
+void
+InitVModInfo(VModInfo *info,XkbDescPtr xkb)
+{
+ ClearVModInfo(info,xkb);
+ info->errorCount= 0;
+ return;
+}
+
+void
+ClearVModInfo(VModInfo *info,XkbDescPtr xkb)
+{
+register int i;
+
+ if (XkbAllocNames(xkb,XkbVirtualModNamesMask,0,0)!=Success)
+ return;
+ if (XkbAllocServerMap(xkb,XkbVirtualModsMask,0)!=Success)
+ return;
+ info->xkb= xkb;
+ info->newlyDefined= info->defined= info->available= 0;
+ if (xkb && xkb->names) {
+ register int bit;
+ for (i=0,bit=1;i<XkbNumVirtualMods;i++,bit<<=1) {
+ if (xkb->names->vmods[i]!=None)
+ info->defined|= bit;
+ }
+ }
+ return;
+}
+
+/***====================================================================***/
+
+Bool
+HandleVModDef(VModDef *stmt,unsigned mergeMode,VModInfo *info)
+{
+register int i,bit,nextFree;
+ExprResult mod;
+XkbServerMapPtr srv;
+XkbNamesPtr names;
+Atom stmtName;
+
+ srv= info->xkb->server;
+ names= info->xkb->names;
+ stmtName= XkbInternAtom(info->xkb->dpy,XkbAtomGetString(NULL,stmt->name),
+ False);
+ for (i=0,bit=1,nextFree= -1;i<XkbNumVirtualMods;i++,bit<<=1) {
+ if (info->defined&bit) {
+ if (names->vmods[i]==stmtName) { /* already defined */
+ info->available|= bit;
+ if (stmt->value==NULL)
+ return True;
+ else {
+ char *str1;
+ const char *str2 = "";
+ if (!ExprResolveModMask(stmt->value,&mod,NULL,NULL)) {
+ str1= XkbAtomText(NULL,stmt->name,XkbMessage);
+ ACTION1("Declaration of %s ignored\n",str1);
+ return False;
+ }
+ if (mod.uval==srv->vmods[i])
+ return True;
+
+ str1= XkbAtomText(NULL,stmt->name,XkbMessage);
+ WARN1("Virtual modifier %s multiply defined\n",str1);
+ str1= XkbModMaskText(srv->vmods[i],XkbCFile);
+ if (mergeMode==MergeOverride) {
+ str2= str1;
+ str1= XkbModMaskText(mod.uval,XkbCFile);
+ }
+ ACTION2("Using %s, ignoring %s\n",str1,str2);
+ if (mergeMode==MergeOverride)
+ srv->vmods[i]= mod.uval;
+ return True;
+ }
+ }
+ }
+ else if (nextFree<0)
+ nextFree= i;
+ }
+ if (nextFree<0) {
+ ERROR1("Too many virtual modifiers defined (maximum %d)\n",
+ XkbNumVirtualMods);
+ ACTION("Exiting\n");
+ return False;
+ }
+ info->defined|= (1<<nextFree);
+ info->newlyDefined|= (1<<nextFree);
+ info->available|= (1<<nextFree);
+ names->vmods[nextFree]= stmtName;
+ if (stmt->value==NULL)
+ return True;
+ if (ExprResolveModMask(stmt->value,&mod,NULL,NULL)) {
+ srv->vmods[nextFree]= mod.uval;
+ return True;
+ }
+ ACTION1("Declaration of %s ignored\n",
+ XkbAtomText(NULL,stmt->name,XkbMessage));
+ return False;
+}
+
+int
+LookupVModIndex( XPointer priv,
+ Atom elem,
+ Atom field,
+ unsigned type,
+ ExprResult * val_rtrn)
+{
+register int i;
+register char * fieldStr;
+register char * modStr;
+XkbDescPtr xkb;
+
+ xkb= (XkbDescPtr)priv;
+ if ((xkb==NULL)||(xkb->names==NULL)||(elem!=None)||(type!=TypeInt)) {
+ return False;
+ }
+ fieldStr= XkbAtomGetString(xkb->dpy,field);
+ if (fieldStr==NULL)
+ return False;
+ for (i=0;i<XkbNumVirtualMods;i++) {
+ modStr= XkbAtomGetString(xkb->dpy,xkb->names->vmods[i]);
+ if ((modStr!=NULL)&&(uStrCaseCmp(fieldStr,modStr)==0)) {
+ val_rtrn->uval= i;
+ return True;
+ }
+ }
+ return False;
+}
+
+int
+LookupVModMask( XPointer priv,
+ Atom elem,
+ Atom field,
+ unsigned type,
+ ExprResult * val_rtrn)
+{
+ if (LookupVModIndex(priv,elem,field,type,val_rtrn)) {
+ register unsigned ndx= val_rtrn->uval;
+ val_rtrn->uval= (1<<(XkbNumModifiers+ndx));
+ return True;
+ }
+ return False;
+}
+
+int
+FindKeypadVMod(XkbDescPtr xkb)
+{
+Atom name;
+ExprResult rtrn;
+
+ name= XkbInternAtom(xkb->dpy,"NumLock",False);
+ if ((xkb)&&
+ LookupVModIndex((XPointer)xkb,None,name,TypeInt,&rtrn)) {
+ return rtrn.ival;
+ }
+ return -1;
+}
+
+Bool
+ResolveVirtualModifier(ExprDef *def,ExprResult *val_rtrn,VModInfo *info)
+{
+XkbNamesPtr names;
+
+ names= info->xkb->names;
+ if (def->op==ExprIdent) {
+ register int i,bit;
+ for (i=0,bit=1;i<XkbNumVirtualMods;i++,bit<<=1) {
+ char *str1,*str2;
+ str1= XkbAtomGetString(info->xkb->dpy,names->vmods[i]);
+ str2= XkbAtomGetString(NULL,def->value.str);
+ if ((info->available&bit)&&
+ (uStrCaseCmp(str1,str2)==Equal)) {
+ val_rtrn->uval= i;
+ return True;
+ }
+ }
+ }
+ if (ExprResolveInteger(def,val_rtrn,NULL,NULL)) {
+ if (val_rtrn->uval<XkbNumVirtualMods)
+ return True;
+ ERROR2("Illegal virtual modifier %d (must be 0..%d inclusive)\n",
+ val_rtrn->uval,XkbNumVirtualMods-1);
+ }
+ return False;
+}
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